CN214280448U - Intelligent low-voltage power distribution cabinet - Google Patents

Intelligent low-voltage power distribution cabinet Download PDF

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Publication number
CN214280448U
CN214280448U CN202023119950.6U CN202023119950U CN214280448U CN 214280448 U CN214280448 U CN 214280448U CN 202023119950 U CN202023119950 U CN 202023119950U CN 214280448 U CN214280448 U CN 214280448U
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CN
China
Prior art keywords
distribution cabinet
power distribution
control unit
intelligent control
incoming line
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Active
Application number
CN202023119950.6U
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Chinese (zh)
Inventor
王潜
杨金龙
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Anshan Junlong Automation Control System Co ltd
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Anshan Junlong Automation Control System Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/248—UPS systems or standby or emergency generators

Abstract

The utility model relates to an intelligent low-voltage power distribution cabinet, which comprises an incoming line protection circuit, a circuit breaker, an intelligent control unit, an upper computer, a touch screen and a switch; the incoming line protection circuit is connected with the circuit breaker, the circuit breaker is connected with the intelligent control unit, the intelligent control unit is communicated with the touch screen through a communication cable, and the touch screen is connected with the upper computer through the exchanger; the incoming line protection circuit is used for ensuring the safety and stability of the incoming line end, intelligent electric energy monitoring in the power distribution cabinet is also realized through the intelligent control unit in the power distribution cabinet, the installation of various electric energy instruments is reduced, the space is saved, the monitoring is accurate, the historical data can be conveniently inquired and analyzed by the upper computer, and the labor cost is saved.

Description

Intelligent low-voltage power distribution cabinet
Technical Field
The utility model relates to a low-voltage board technical field especially relates to an intelligence low-voltage distribution cabinet.
Background
The rated current of the low-voltage power distribution cabinet is 50Hz, and the power distribution system with the rated voltage of 380v is used for power, illumination and power conversion and control of power distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme, convenient combination, strong seriousness and practicability, novel structure and the like.
The power distribution cabinet installed in the past is not universal, the design is simple, the electric energy meters are numerous, the functions of ordinary metering and power distribution can only be achieved, the equipment is required to be intelligent, the monitoring is accurate, the electric energy input and output of the power distribution cabinet can be monitored by an upper computer in real time, the labor cost is reduced, the stability and the uninterruptibility of a line-incoming power supply are ensured, and the uninterruptible power supply is provided for loads.
Disclosure of Invention
The utility model provides an intelligence low-voltage distribution cabinet realizes the stability and the uninterruptibility of switch board distribution, realizes the intelligent monitoring of electric energy, has reduced the installation of various instruments, guarantees the accuracy and the real-time of monitoring.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent low-voltage power distribution cabinet comprises an incoming line protection circuit, a circuit breaker, an intelligent control unit, an upper computer, a touch screen and a switch; the incoming line protection circuit is connected with the circuit breaker, the circuit breaker is connected with the intelligent control unit, the intelligent control unit is communicated with the touch screen through a communication cable, and the touch screen is connected with the upper computer through the switch.
Furthermore, the incoming line protection circuit comprises a vacuum switch, a dual-power automatic transfer switch, a transformer and a surge protector, two power supplies of the power grid are connected with the vacuum switch through the dual-power automatic transfer switch and then connected with the transformer through the on-off of the vacuum switch, and the transformer is connected with the surge protector in series through the on-off of the vacuum switch again.
Furthermore, the intelligent control unit comprises an isolator, a data acquisition module, a microprocessor, an output module and an alternating current contactor, wherein the isolator is connected with the data acquisition module, the data acquisition module is connected with the microprocessor again, signals in the cabinet are transmitted to the microprocessor for analysis and processing through isolation, the microprocessor is connected with the output module again, and the output module is connected with the alternating current contactor and executes an output command.
Further, the microprocessor adopts an ATT7026A chip to measure various electric energy signals in the cabinet.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the transformer and the surge protector realize the stability and the continuity of load distribution;
2) the installation of various electric energy instruments is reduced, and the wiring space of the power distribution cabinet is saved;
3) and real-time electric energy monitoring is realized.
Drawings
Figure 1 is this utility model intelligence low-voltage distribution cabinet structure schematic diagram.
Fig. 2 is the wiring diagram of the inlet wire protection circuit of the present invention.
Fig. 3 is a pin diagram of a microprocessor chip according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, an intelligent low-voltage power distribution cabinet comprises an incoming line protection circuit, a circuit breaker, an intelligent control unit, an upper computer, a touch screen and a switch; the incoming line protection circuit is connected with the circuit breaker, the circuit breaker is connected with the intelligent control unit, the intelligent control unit is communicated with the touch screen through a communication cable, and the touch screen is connected with the upper computer through the switch.
Furthermore, the incoming line protection circuit comprises a vacuum switch, a dual-power automatic transfer switch, a transformer and a surge protector, two power supplies of the power grid are connected with the vacuum switch through the dual-power automatic transfer switch and then connected with the transformer through the on-off of the vacuum switch, and the transformer is connected with the surge protector in series through the on-off of the vacuum switch again.
Furthermore, the intelligent control unit comprises an isolator, a data acquisition module, a microprocessor, an output module and an alternating current contactor, wherein the isolator is connected with the data acquisition module, the data acquisition module is connected with the microprocessor again, signals in the cabinet are transmitted to the microprocessor for analysis and processing through isolation, the microprocessor is connected with the output module again, and the output module is connected with the alternating current contactor and executes an output command.
Further, the microprocessor adopts an ATT7026A chip to measure various electric energy signals in the cabinet.
As shown in fig. 3, 12 pins of the chip provide power for the analog circuit of the chip, the voltage of the normal working power supply is maintained at 5V, and the upper part and the lower part can float by 5%; pins 3 and 4 are A-phase current channel positive and negative analog input pins; pin 5 is output, 2.4V is the benchmark, can connect externally; pins 6 and 7 are positive and negative analog input pins of a B-phase current channel; pins 9 and 10 are positive C-phase current channels and negative analog input pins; pin 27 is the active power pulse output;
the following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
As shown in fig. 2, the vacuum switch is selected to be 32A, and is respectively connected with the dual-power automatic transfer switch, the transformer and the surge protector to perform triple protection on the stability of the incoming line power supply; as shown in figure 1, signals such as current, voltage and power in the power distribution cabinet are suppressed by the isolator to be interfered, the signals are transmitted to the microprocessor to be subjected to data analysis and processing, the required signals are output through the output module, the load is output through the alternating current contactor to execute actions, the touch screen can be selected to perform data transmission and display in a DP (data processing) communication or Ethernet communication mode with the microprocessor, and historical data are recorded, inquired and analyzed through the upper computer.

Claims (4)

1. An intelligent low-voltage power distribution cabinet is characterized by comprising an incoming line protection circuit, a circuit breaker, an intelligent control unit, an upper computer, a touch screen and a switch; the incoming line protection circuit is connected with the circuit breaker, the circuit breaker is connected with the intelligent control unit, the intelligent control unit is communicated with the touch screen through a communication cable, and the touch screen is connected with the upper computer through the switch.
2. The intelligent low-voltage power distribution cabinet according to claim 1, wherein the incoming line protection circuit comprises a vacuum switch, a dual-power automatic transfer switch, a transformer and a surge protector, two power sources of the power grid are connected with the vacuum switch through the dual-power automatic transfer switch, and are connected with the transformer after being switched on and off by the vacuum switch, and the transformer is connected with the surge protector in series after being switched on and off by the vacuum switch.
3. The intelligent low-voltage power distribution cabinet according to claim 1, wherein the intelligent control unit comprises an isolator, a data acquisition module, a microprocessor, an output module and an alternating current contactor, the isolator is connected with the data acquisition module, the data acquisition module is connected with the microprocessor, the microprocessor is connected with the output module, and the output module is connected with the alternating current contactor to execute an output command.
4. The intelligent low-voltage power distribution cabinet according to claim 3, wherein the microprocessor uses ATT7026A chip.
CN202023119950.6U 2020-12-22 2020-12-22 Intelligent low-voltage power distribution cabinet Active CN214280448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023119950.6U CN214280448U (en) 2020-12-22 2020-12-22 Intelligent low-voltage power distribution cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023119950.6U CN214280448U (en) 2020-12-22 2020-12-22 Intelligent low-voltage power distribution cabinet

Publications (1)

Publication Number Publication Date
CN214280448U true CN214280448U (en) 2021-09-24

Family

ID=77800659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023119950.6U Active CN214280448U (en) 2020-12-22 2020-12-22 Intelligent low-voltage power distribution cabinet

Country Status (1)

Country Link
CN (1) CN214280448U (en)

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